424040212 has 12 divisors (see below), whose sum is σ = 743795136. Its totient is φ = 211527320.

The previous prime is 424040147. The next prime is 424040237. The reversal of 424040212 is 212040424.

It is a self number, because there is not a number n which added to its sum of digits gives 424040212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121258 + ... + 124705.

It is an arithmetic number, because the mean of its divisors is an integer number (61982928).

Almost surely, 2^424040212 is an apocalyptic number.

It is an amenable number.

424040212 is a deficient number, since it is larger than the sum of its proper divisors (319754924).

424040212 is a wasteful number, since it uses less digits than its factorization.

424040212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246398 (or 246396 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 424040212 is about 20592.2366925014. The cubic root of 424040212 is about 751.2808997417.

Adding to 424040212 its reverse (212040424), we get a palindrome (636080636).

The spelling of 424040212 in words is "four hundred twenty-four million, forty thousand, two hundred twelve".